Hypertext Webster Gateway: "ridgepole"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Ridgepole \Ridge"pole`\, n. (Arch.)
The timber forming the ridge of a roof, into which the
rafters are secured.
From WordNet (r) 1.7 (wn)
ridgepole
n : a beam laid along the ridge of a roof; provides attachment
for upper end of rafters [syn: {ridge}, {rooftree}]
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